CVE-2020-5227: Feedgen (python feedgen) before 0.9.0 is susceptible to XML Denial of Service attacks
CVE-2020-5227 is a medium-severity flaw (CVSS 4.4) affecting feedgen. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Feedgen (python feedgen) before 0.9.0 is susceptible to XML Denial of Service attacks. The *feedgen* library allows supplying XML as content for some of the available fields. This XML will be parsed and integrated into the existing XML tree. During this process, feedgen is vulnerable to XML Denial of Service Attacks (e.g. XML Bomb). This becomes a concern in particular if feedgen is used to include content from untrused sources and if XML (includ
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 2.2% (top 18%) |
| CISA exploited list | No |
| Weakness | CWE-776 |
| Published | 2020-01-28 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-5227?
feedgen: upgrade to 0.9.0. Exact commands for each OS are on this page.
Is CVE-2020-5227 being exploited?
CVE-2020-5227 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-5227 affect?
CVE-2020-5227 affects feedgen. Severity is medium (CVSS 4.4). Feedgen (python feedgen) before 0.9.0 is susceptible to XML Denial of Service attacks. The *feedgen* library allows supplying XML as content for some of the available fields. This XML will be parsed and integrated into the existing XML tree
How urgent is CVE-2020-5227?
Priority 41/100. Public exploit reference